kubernetes network 15 - kube proxy iptables trace 1
trace kubernetes iptables rule to find packet flow
#modprobe nf_log_ipv4
#sysctl net.netfilter.nf_log.2=nf_log_ipv4
cat /etc/rsyslog.conf | grep -e "^kern"
kern.*;*.info;mail.none;authpriv.none;cron.none
#systemctl restart rsyslog
#iptables -t raw -j TRACE -p udp --dport 53 -I PREROUTING 1
#iptables -t raw -j TRACE -p udp --dport 53 -I OUTPUT 1
ref: https://www.opensourcerers.org/2016/0...
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